Gradle 8: add plugin to resolve toolchain.

Author: greenrobot-team

settings.gradle.kts

@@ -1,3 +1,9 @@
+plugins {
+    // Supports resolving toolchains for JVM projects
+    // https://docs.gradle.org/8.0/userguide/toolchains.html#sub:download_repositories
+    id("org.gradle.toolchains.foojay-resolver-convention") version("0.4.0")
+}
+
 include(":objectbox-java-api")
 include(":objectbox-java")
 include(":objectbox-kotlin")